Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/shell/xsh_gpiostat.c File Reference

#include <kernel.h>
#include <gpio.h>
#include <stdio.h>
#include <string.h>

Include dependency graph for xsh_gpiostat.c:

Go to the source code of this file.

Functions
command	xsh_gpiostat (ushort stdin, ushort stdout, ushort stderr, ushort nargs, char *args[])

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Detailed Description

xsh_gpiostat

Id

xsh_gpiostat.c 226 2007-07-12 01:18:27Z mschul

Definition in file xsh_gpiostat.c.

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Function Documentation

command xsh_gpiostat	(	ushort	stdin,
		ushort	stdout,
		ushort	stderr,
		ushort	nargs,
		char *	args[]
	)

Shell command (gpiostat) provides information about the current status of the GPIO pins.

Parameters:

	stdin	descriptor of input device
	stdout	descriptor of output device
	stderr	descriptor of error device
	nargs	number of arguments in args array
	args	array of arguments

Returns:

OK for success, SYSERR for syntax error

Definition at line 24 of file xsh_gpiostat.c.

References gpio_csreg::control, gpio_csreg::enable, fprintf(), GPIO_BASE, GPIO_PIN_COUNT, gpio_csreg::input, OK, gpio_csreg::output, strncmp(), and SYSERR.